A series of cold fronts brought widespread precipitation amounts of 1 to 2 inches across the west from Monday through Thursday night. Portions of the Star Valley and Yellowstone National Park received from 2 to over 3 inches of precipitation; the highest total of 3.07 inches was reported 5 miles north of Thayne in the Star Valley. A strong cold frontal passage also resulted in some high winds across the area on Wednesday with an automated station 15 miles southeast of Rock Springs reporting a gust to 81 mph Wednesday afternoon.
***** Final Update *****
Clouds parting at Jackson Hole Mountain Resort's Cody Bowl (elev. 10,450 ft.) Friday afternoon to reveal a winter wonderland in the last few days of summer. Click to Enlarge
A 64 mph was recorded in Sinks Canyon on Wednesday morning. Only 0.01 inches of rainfall fell Thursday afternoon in Sinks Canyon, and then the double rainbow! Click to Enlarge
Click on map to enlarge
Precipitation Totals from Monday, September 14th through 7 AM Friday, September 18th
County
Station Name
Rainfall
Big Horn
Mill Creek
0.57
Big Horn
Shell
0.25
Big Horn
9 NNW Shell
0.15
Big Horn
Lovell
0.12
Big Horn
2 SSW Lovell
0.12
Big Horn
Deaver
0.10
Big Horn
Hyatt High
0.08
Big Horn
Greybull
0.03
Big Horn
Greybull ASOS
0.01
Fremont
Raspberry
1.23
Fremont
10 WNW Dubois
0.52
Fremont
Elkhorn
0.27
Fremont
Dubois
0.24
Fremont
Anderson Ridge
0.14
Fremont
Wind River
0.11
Fremont
Camp Creek
0.09
Fremont
Atlantic City
0.08
Fremont
Riverton 0.5 NW
0.03
Fremont
9 SSE Lander
0.03
Fremont
6 SW Lander
0.03
Fremont
Burris
0.03
Fremont
Jeffrey City
0.02
Fremont
Riverton
0.01
Fremont
Riverton ASOS
0.01
Hot Springs
9 NE Thermopolis
0.06
Johnson
School House
0.10
Johnson
Buffalo ASOS
0.10
Johnson
12 SSE Buffalo
0.06
Johnson
17 NNW Kaycee
0.01
Lincoln
5 NNE Thayne
3.07
Lincoln
3 NW Etna
2.92
Lincoln
Star Valley Ranch
2.81
Lincoln
2 SE Thayne
2.75
Lincoln
1 S Bedford
2.28
Lincoln
5 SSE Smoot
1.98
Lincoln
Afton
1.92
Lincoln
1 SW Afton
1.86
Lincoln
Kelly
1.67
Lincoln
Etna
1.42
Lincoln
Fossil Butte
1.10
Lincoln
3 WNW Kemmerer
0.95
Lincoln
3 SE Bedford
0.94
Lincoln
5 SSE La Barge
0.39
MONTANA
Soda Butte
1.12
Natrona
11 ESE Casper
0.05
Natrona
5 SSW Casper
0.03
Natrona
7 SSW Casper
0.02
Natrona
12 NE Lysite
0.02
Natrona
Casper Mountain
0.01
Natrona
10 WSW Casper
0.01
Park
Quadrant
2.92
Park
Pahaska
1.12
Park
Cabin Creek
0.90
Park
Eagle
0.57
Park
Crandall
0.30
Park
26 SW Cody
0.27
Park
2 WSW Cody
0.12
Park
Rattlesnake Mountain
0.12
Park
Cody
0.09
Park
3 NE Sunshine
0.07
Park
4 SE Cody
0.05
Park
5 ESE Cody
0.03
Park
3 NE Clark
0.03
Park
Meeteetse
0.02
Park
Cody
0.01
Park
2 SW Powell
0.01
Park
4 SW Powell
0.01
Park
7 SW Cody
0.01
Sublette
Hoback
1.45
Sublette
15 WNW Daniel
1.35
Sublette
14 NW Pinedale
1.08
Sublette
Bondurant
1.03
Sublette
Daniel Fish Hatchery
1.03
Sublette
Half Moon
0.95
Sublette
Snider Basin
0.94
Sublette
Pinedale
0.91
Sublette
Pinedale 1NE
0.57
Sublette
13 SE Pinedale
0.30
Sublette
Big Piney ASOS
0.24
Sublette
Boulder Rearing Station
0.10
Sweetwater
Rock Springs ASOS
0.33
Sweetwater
4 NNW Rock Springs
0.28
Sweetwater
Green River
0.23
Sweetwater
Rock Springs
0.22
Sweetwater
5 N Farson
0.19
Sweetwater
Wamsutter
0.19
Sweetwater
Snow Springs Creek
0.17
Sweetwater
8 NNW Rock Springs
0.15
Sweetwater
1 SE Green River
0.11
Sweetwater
McKinnon
0.11
Sweetwater
Buckboard Marina
0.06
Teton
Bechler
2.50
Teton
Jackson
2.32
Teton
12 NE Jackson
2.29
Teton
2 NE Teton Village
2.17
Teton
Moose
2.17
Teton
Burro Hill
2.06
Teton
Coyote Meadows
2.04
Teton
5 NW Jackson
2.03
Teton
4 SW Jackson
1.96
Teton
Grand Teton
1.88
Teton
Jackson Dam
1.80
Teton
South Park
1.69
Teton
Hoback Junction
1.28
Teton
1 NNW Alta
1.24
Washakie
Leigh Creek
0.25
Washakie
Worland
0.24
Washakie
Winchester
0.22
Washakie
27 S Ten Sleep
0.20
Washakie
Worland ASOS
0.10
Washakie
Ten Sleep
0.10
Washakie
2 NE Worland
0.10
Washakie
8 SW Worland
0.08
Washakie
5 NNW Ten Sleep
0.07
Washakie
16 SSE Ten Sleep
0.04
Washakie
Split Rock Creek
0.03
Yellowstone
Old Faithful Ranger Station
2.33
Yellowstone
Snake River Ranger Station
1.82
Yellowstone
Bechler River Ranger Station
1.76
Yellowstone
Grebe
1.54
Yellowstone
Lake Yellowstone ASOS
1.28
Yellowstone
Yellowstone East Entrance
1.20
Yellowstone
Tower Falls Ranger Station
0.97
Yellowstone
Yellowstone Mammoth
0.67
A cold front brought some strong winds across the area on Wednesday, September 16th. Locations that recorded wind gusts over 45 mph are included in the following table:
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